ToolsStack
21 free dev tools, all client-side. No uploads.
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热内颅李约

ToolsStack - 21 free dev tools, all client-side. No uploads.

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ToolsStack is a collection of 21 free developer tools that run entirely in your browser. JSON formatter, Base64 encoder, JWT decoder, UUID generator, Regex tester, PDF compressor, GIF maker, QR code generator, and more. All processing is 100% client-side — zero data uploaded, zero servers, zero tracking.

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热内颅李约
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Hey ProductHunt 👋 Built ToolsStack because I kept needing quick dev tools but didn't want to upload sensitive data to random websites. All 21 tools run client-side: 💻 Dev: JSON, Base64, JWT, SQL Formatter, Regex, Hash (MD5/SHA), Diff, PDF Compressor, PDF→JPG ⚡ Generators: UUID, Password, Lorem Ipsum 📝 Text: Word Counter, Case Converter, Markdown Preview 🎨 Image: Color Picker, QR Code, GIF Maker Built with vanilla JS + Canvas. Deployed on Cloudflare Pages. Free, no signup, no ads!